pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.5	Organic Oxygen Acids and Nitrogen Bases	0	-1	O=C(O)c1ccccc1C(=O)Nc1ccccc1	O=C([O-])c1ccccc1C(=O)Nc1ccccc1	mol701	O=C(O)c1ccccc1C(=O)Nc1ccccc1
10.8999996185303	QSARToolbox	-1	-2	O=C([O-])c1ccccc1C(=O)Nc1ccccc1	O=C([O-])c1ccccc1C(=O)[N-]c1ccccc1	mol701	O=C(O)c1ccccc1C(=O)Nc1ccccc1
11.1000003814697	QSARToolbox	-1	-2	O=C([O-])c1ccccc1C(=O)Nc1ccccc1	O=C([O-])c1ccccc1C(=O)[N-]c1ccccc1	mol701	O=C(O)c1ccccc1C(=O)Nc1ccccc1